env('PAYTM_ENVIRONMENT', 'production'), // values : (local | production) 'merchant_id' => env('PAYTM_MERCHANT_ID', ''), 'merchant_key' => env('PAYTM_MERCHANT_KEY', ''), 'merchant_website' => env('PAYTM_MERCHANT_WEBSITE', ''), 'channel' => env('PAYTM_CHANNEL', ''), 'industry_type' => env('PAYTM_INDUSTRY_TYPE', ''), ];